It depends on the workload. You absolutely can parallelize many processes using tools like Sidekiq. My single threaded ruby app might take hours to query data s

It depends on the workload. You absolutely can parallelize many processes using tools like Sidekiq. My single threaded ruby app might take hours to query data sequentially from an API. But with sidekiq suddenly you have to throttle your concurrent processes because the API is breaking under the stress.